<!DOCTYPE html>
<html >
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>字体样式</title>
    <style>
        .p1{
            font-size: 30px;
            font-weight: normal;
            font-style:italic ;
            color: lightblue;
        }
        .p2{
            color:red;
            font-size: 20px;
            background-color: #f0f0f0;
            width: 200px;
            text-align: justify;
            margin: 50px auto;
            text-decoration: underline;
            line-height: 40px;
            letter-spacing: 1px;
        }
        .box{
            width: 300px;
            height: 300px;
            border: 1px solid #999;
            margin: 40px auto;
            text-align: center;
            padding-top: 40px;
            box-shadow: 0 0 20px red;
        }
    </style>
</head>
<body>
    <p class="p1">内容一</p>
    <p>内容二</p>
    <p class="p2">
        <span>内容三对他和您阿尔米色家居空间和喝啊一万特阿姨</span>
    </p>
    <div class="box">
        <span>盒子一</span>
    </div>
</body>
</html>